Buy aquarium heater replacement parts online to keep your fish tank water at the right temperature. Find quality heaters and components for all tank sizes and types.
Maintaining a stable temperature is vital for your aquarium’s health. Choosing the right heater and parts helps prevent sudden cold or heat changes. Many brands offer reliable options like submersible heaters, adjustable thermostats, and heating rods. Whether you have a small betta tank or a large freshwater or saltwater aquarium, you can find suitable replacement parts online.
These parts include heater tubes, controllers, suction cups, and thermometer strips. Buying online lets you compare prices, read reviews, and select the best fit for your setup. Quick delivery and easy returns make online shopping convenient for aquarium owners everywhere. Keep your aquatic pets comfortable with the right heater parts today.
Hygger 802 Aquarium Titanium Heater Tube Heating Element Replacement Heater Rod

The hygger 802 Aquarium Titanium Heater Tube Heating Element Replacement Heater Rod (Controller Excluded) (500W) is ideal for aquarium enthusiasts who need a reliable and durable heating solution. This product is perfect for those who already own a compatible hygger heater controller and want to replace or upgrade their heating element to maintain a stable aquatic environment. If you prioritize longevity and consistent temperature control for your aquarium, this titanium heater tube is an excellent choice.
Pros:
- Durable titanium construction ensures long-lasting performance and resistance to corrosion.
- Efficient 500W power rating suitable for maintaining stable temperatures in larger aquariums.
- Compatible replacement part for hygger 802 heater controllers, making installation straightforward.
- Provides consistent and even heat distribution to protect aquatic life.
Cons:
- Controller not included, requiring separate purchase or use of an existing hygger controller.
- Limited to users who have compatible hygger heater systems.
The hygger 802 Aquarium Titanium Heater Tube features a robust titanium heating element that offers superior resistance to rust and mineral buildup compared to traditional materials. This durability ensures that the heater rod maintains optimal performance over time, reducing the need for frequent replacements. Its 500W power capacity makes it highly effective in heating medium to large aquariums, providing reliable temperature control critical for the health of fish and aquatic plants.
Designed specifically as a replacement heater rod, this product integrates seamlessly with existing hygger heater controllers, making it easy for users to upgrade or repair their aquarium heating systems without hassle. The even heat distribution minimizes temperature fluctuations, which helps create a stable and safe environment for aquatic life. Overall, the hygger 802 titanium heater tube offers both reliability and efficiency, catering to aquarium owners who demand quality and performance from their heating equipment.
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Hitop Adjustable Aquarium Heater

The HITOP Adjustable Aquarium Heater is ideal for aquarium enthusiasts who want precise temperature control to ensure the health and comfort of their aquatic pets. Whether you have a small tropical fish tank or a larger freshwater setup, this heater offers versatile wattage options, making it suitable for various tank sizes and types. If you prioritize safety, reliability, and easy installation, this submersible heater with a thermostat is a great choice for maintaining a stable aquatic environment.
Pros:
- Adjustable wattage options (25W, 50W, 100W, 200W, 300W) to fit different tank sizes
- Submersible design with a built-in thermostat for consistent temperature control
- Includes suction cup for secure and easy installation
- Compact dimensions (Height: 0.98 inches, Width: 0.98 inches, Length: 7.87 inches) save space in the tank
- Durable construction from reputable brand HITOP and manufacturer Haisen
Cons:
- May require calibration for precise temperature settings
- Only the 50W model is specified here; other wattages may vary in size
- Not suitable for extremely large or specialized aquariums without checking wattage compatibility
The HITOP 50W Adjustable Aquarium Heater stands out for its compact and efficient design, allowing it to blend seamlessly into your aquarium setup without disturbing the tank aesthetics. Its submersible feature ensures even heat distribution throughout the water, which is crucial for maintaining a stable and healthy environment for fish and aquatic plants. The adjustable thermostat provides flexibility, allowing users to set the ideal temperature according to the specific needs of their aquatic species.
With its included suction cup, installation becomes a hassle-free process, enabling hobbyists to securely position the heater at the desired location inside the tank. The durability of the heater, backed by HITOP and Haisen, gives users confidence in its long-term performance. Overall, this heater is a reliable tool for anyone looking to provide a consistent and safe aquatic habitat, ensuring that fish thrive in a temperature-controlled environment.
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Orlushy 25w Small Submersible Aquarium Heater

The Orlushy 25W Small Submersible Aquarium Heater is ideal for aquarium enthusiasts who maintain small tanks ranging from 1 to 6 gallons, including owners of betta fish or other freshwater and saltwater species that require a stable temperature environment. If you are looking for a reliable and compact heater that ensures a constant temperature of 78℉, this device is perfect for maintaining optimal conditions for your aquatic pets.
Pros:
- Compact size ideal for small tanks (1-6 gallons).
- Maintains a constant temperature of 78℉, perfect for betta fish and other tropical species.
- Suitable for both freshwater and saltwater aquariums.
- Submersible design allows for full immersion and efficient heating.
- Durable construction by trusted brand Orlushy.
Cons:
- Limited to small tank sizes; not suitable for larger aquariums.
- No adjustable temperature settings beyond the preset 78℉.
The Orlushy 25W Small Submersible Aquarium Heater is engineered to provide precise and steady heating to ensure your aquatic environment remains consistent and comfortable. Its submersible feature allows it to be fully immersed in the water, promoting even heat distribution without risking overheating or dry spots. This ensures that your betta fish or other delicate species thrive in their natural temperature range.
Designed specifically for small tanks, this heater’s compact profile doesn’t take up much space, making it easy to position without disturbing your aquarium’s layout. The preset temperature of 78℉ is optimized for tropical fish, eliminating the need for manual adjustments and providing peace of mind that your tank is maintained at the ideal warmth. Additionally, its compatibility with both freshwater and saltwater tanks offers flexibility for various aquarium setups.
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Datoo Aquarium External Heater

The DaToo Aquarium External Heater in-Line Fish Tank External Heater 300W is ideal for aquarium enthusiasts who use canister filters and need a reliable, efficient heating solution for their fish tanks. This item is perfect for hobbyists looking to maintain a stable water temperature without cluttering their aquarium space, as well as for those who want to protect sensitive aquatic life by ensuring consistent warmth.
Pros:
- Compact external design saves aquarium space and reduces clutter inside the tank.
- Powerful 300W heating capacity suitable for medium to large-sized tanks.
- Easily integrates with canister filter systems for seamless operation.
- Efficient heat transfer ensures rapid temperature stabilization.
- Durable build quality by the trusted DaToo brand.
Cons:
- Requires compatible canister filter setup for installation.
- May need additional monitoring to prevent overheating in smaller tanks.
- Installation complexity might be challenging for beginners.
The DaToo Aquarium External Heater boasts a sleek, external design that allows it to be connected directly to your canister filter system. This setup enables the heater to warm the water as it passes through the filter, promoting even heat distribution throughout the aquarium. The 300W power rating is ideal for maintaining optimal temperatures in medium to large aquariums, ensuring a stable environment for fish and aquatic plants.
One of the key benefits of this external heater is that it eliminates the need to place heating elements inside the tank, reducing the risk of fish injury and minimizing the impact on the tank’s aesthetics. Additionally, being manufactured by DaToo, a reputable brand, guarantees durability and reliable performance. Users can enjoy peace of mind knowing their aquatic life is protected by consistent and efficient heating tailored specifically for in-line filter systems.
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Aquaneat Aquarium Heater

The AQUANEAT Aquarium Heater, 50W Fish Tank Heater is ideal for aquarium enthusiasts who want precise temperature control to ensure a healthy environment for their aquatic pets. Whether you are a beginner setting up your first tank or an experienced hobbyist maintaining tropical fish, this adjustable submersible heater with a built-in thermometer offers reliability and convenience for various tank sizes.
Pros:
- Adjustable temperature control for customized heating settings
- Submersible design ensures even heat distribution throughout the tank
- Includes a clear built-in thermometer for easy monitoring
- Compact 50W power suitable for small to medium-sized aquariums
- Durable construction from the trusted AQUANEAT brand
Cons:
- May not be powerful enough for very large aquariums
- Temperature adjustment dial could be more precise
- Requires full submersion to function correctly
The AQUANEAT Aquarium Heater combines an adjustable thermostat with a clear built-in thermometer, allowing users to maintain the ideal water temperature with ease. Its submersible design ensures consistent heat distribution, which is critical for the well-being of sensitive tropical fish and aquatic plants. The 50W power rating makes it a practical choice for small to medium tanks, providing efficient heating without excessive energy consumption.
Crafted by the reputable AQUANEAT manufacturer, this heater is built to last and withstand continuous underwater use. The easy-to-use temperature adjustment enables fish keepers to tailor the environment precisely, reducing stress on aquatic life and promoting healthier growth. Overall, this aquarium heater is a dependable and user-friendly tool to help maintain a stable and comfortable aquatic habitat.
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Pulaco 25w Small Aquarium Submersible Betta Heater

The PULACO 25W Small Aquarium Submersible Betta Heater is ideal for aquarium enthusiasts who own small fish tanks under 6 gallons, especially those who keep delicate species like bettas that require stable and precise water temperatures. This heater is perfect for beginners and experienced hobbyists alike who want a reliable and preset heating solution without the hassle of manual adjustments.
Pros:
- Preset Temperature at 78℉ ensures optimal conditions for tropical fish without constant monitoring.
- Compact and transparent design blends seamlessly into small aquariums.
- Includes a free thermometer strip for easy temperature checking.
- Submersible construction allows for safe and efficient heating.
- Energy-efficient 25W power suitable for tanks under 6 gallons.
Cons:
- Not suitable for larger aquariums exceeding 6 gallons.
- Preset temperature cannot be adjusted for species with different requirements.
- Small size might be overlooked or misplaced in some setups.
The PULACO 25W Small Aquarium Submersible Betta Heater is designed with a preset temperature of 78℉, which is ideal for maintaining a stable environment for sensitive tropical fish, particularly bettas. Its compact, transparent body allows it to blend discreetly into small tanks, minimizing visual disruption while providing consistent heat. The submersible feature ensures efficient heat distribution throughout the aquarium, promoting healthier fish and a balanced aquatic environment.
Additionally, the inclusion of a free thermometer strip allows users to monitor the water temperature conveniently without additional equipment. The low wattage makes it energy-efficient and safe for use in smaller tanks, preventing overheating and ensuring peace of mind. This heater is an excellent choice for anyone looking to maintain the perfect habitat for their betta fish or other small tropical species.
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Dreyoo 2 Set Submersible Aquarium Heater

The Dreyoo 2 Set Submersible Aquarium Heater is ideal for aquarium enthusiasts who want precise temperature control for both marine saltwater and freshwater tanks. Whether you are a beginner setting up your first fish tank or an experienced hobbyist maintaining a stable environment for delicate aquatic life, this heater offers reliable performance and easy adjustability to suit various tank sizes and fish species.
Pros:
- Adjustable knob thermostat allows precise temperature control for optimal fish health.
- Includes 4 thermometer stickers and suckers for easy temperature monitoring and installation.
- Submersible design ensures even heat distribution throughout the aquarium.
- Available in 100W and 300W options to accommodate different tank sizes.
- Compatible with both saltwater and freshwater aquariums.
Cons:
- May require careful placement to avoid direct contact with sensitive decorations or plants.
- The thermometer stickers can sometimes lose adhesion over time.
The Dreyoo 2 Set Submersible Aquarium Heater stands out for its versatility and user-friendly design. The adjustable thermostat knob makes it easy to set and maintain the perfect temperature for your aquatic environment, which is crucial for the health and well-being of your fish and other aquatic creatures. The inclusion of thermometer stickers provides a convenient way to constantly monitor water temperature without needing additional equipment.
Designed with a fully submersible body, this heater ensures consistent warmth throughout the aquarium, preventing cold spots that could stress your fish. The dual wattage options (100W and 300W) make it suitable for a variety of tank sizes, giving users flexibility depending on their specific aquarium setup. Overall, the Dreyoo heater combines efficiency, durability, and ease of use, making it a solid choice for maintaining a stable aquatic environment.
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Hitauing Aquarium Heater

The HiTauing Aquarium Heater is an excellent choice for both novice and experienced aquarium enthusiasts who want to maintain a stable and comfortable environment for their aquatic pets. Ideal for those who keep either saltwater or freshwater tanks, this heater is suitable for various tank sizes due to its multiple wattage options ranging from 50W to 500W. If you seek reliability, safety, and efficient heating, this product is designed to meet your needs.
Pros:
- Multiple wattage options (50W/100W/200W/300W/500W) to suit different tank sizes
- Submersible design allows full immersion in water for even heat distribution
- Over-temperature protection ensures safety by preventing overheating
- Automatic power-off feature activates when the heater is removed from water, enhancing safety
- Compatible with both saltwater and freshwater aquariums
- Durable build quality from a trusted brand, HiTauing
Cons:
- May require calibration for precise temperature settings
- Some users might find installation slightly challenging initially
The HiTauing Aquarium Heater offers versatile heating power options, making it adaptable to a wide range of aquarium sizes and species. Its fully submersible design helps maintain consistent water temperature, which is critical for the health and well-being of aquatic life. The heater’s advanced safety features, like over-temperature protection and automatic shut-off when out of water, provide peace of mind to aquarium owners by minimizing risks of overheating and accidents.
Additionally, the heater’s compatibility with both saltwater and freshwater environments makes it a flexible solution for diverse aquarium setups. Manufactured by HiTauing, a reputable brand in aquarium equipment, this heater promises durability and reliable performance. Overall, it ensures a stable aquatic environment, promoting the longevity and vitality of your fish and plants.
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Aquaneat Aquarium Heater

The AQUANEAT Aquarium Heater, 300W Fish Tank Heater is ideal for aquarium enthusiasts who want precise temperature control to ensure a stable and healthy environment for their aquatic pets. Whether you own a small home aquarium or a larger fish tank, this adjustable submersible heater with a digital thermometer is perfect for anyone looking to maintain optimal water conditions for tropical fish, reptiles, or other aquatic creatures. If you value reliability, ease of use, and accurate temperature regulation, this product is designed with you in mind.
Pros:
- Highly adjustable temperature settings for customized heating
- Submersible design allows for easy placement inside the tank
- Built-in digital thermometer provides accurate real-time temperature readings
- Durable black exterior blends well with aquarium decor
- Reliable 300W power output suitable for medium to large tanks
Cons:
- May require calibration for extremely precise temperature settings
- Digital display can be difficult to read in low light conditions
- Higher wattage means increased energy consumption compared to smaller heaters
The AQUANEAT Aquarium Heater features a robust 300W power capacity, making it suitable for a wide range of fish tanks. Its fully submersible design ensures even heat distribution throughout the aquarium, preventing cold spots that can stress or harm aquatic life. The adjustable thermostat allows users to easily set the desired temperature, ensuring that the aquatic environment remains stable and conducive to the health of tropical fish and other water-dwelling pets. The included digital thermometer adds convenience by allowing real-time temperature monitoring without the need for additional equipment.
Constructed with durability in mind, the heater’s sleek black exterior not only enhances its aesthetic appeal but also provides long-lasting resistance to water damage. This combination of functionality and design offers aquarium owners peace of mind, knowing their investment supports the well-being of their aquatic pets. With the AQUANEAT Aquarium Heater, users benefit from precise temperature control, energy-efficient operation, and a user-friendly setup process, making it an excellent choice for both novice and experienced aquarium keepers.
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Tetra Ht Submersible Aquarium Heater

The Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon is ideal for aquarium enthusiasts who maintain small to medium-sized freshwater tanks. It is perfect for those who want a reliable and easy-to-use heater that ensures stable water temperature for sensitive aquatic life. Beginners and experienced hobbyists alike will appreciate its precise temperature control and compact design.
Pros:
- Compact size fits easily in tanks from 2 to 10 gallons
- Electronic thermostat provides accurate and consistent temperature regulation
- Durable black casing blends discreetly with aquarium decor
- Submersible design ensures even heat distribution throughout the tank
- Lightweight at only 0.49 pounds for easy installation and adjustment
Cons:
- Limited to smaller aquariums due to 50-watt power rating
- No digital display for temperature readout
- May require occasional recalibration for optimal accuracy
The Tetra HT Submersible Aquarium Heater stands out with its electronic thermostat that maintains a stable temperature, which is crucial for the health and well-being of fish and aquatic plants. Its compact dimensions—3.5 inches in height, 1.62 inches in width, and 5.25 inches in length—make it an unobtrusive addition that fits comfortably in smaller tanks without taking up much space. This helps maintain the aesthetic appeal of your aquarium while providing efficient heating.
Additionally, the heater’s submersible design ensures that heat is evenly distributed, preventing cold spots that can stress aquatic life. The black color and lightweight construction make it easy to position and hide among decorations, keeping your aquarium looking natural. Users benefit from the simplicity of installation and the peace of mind that comes with reliable temperature control, promoting a healthy and stable environment for their aquatic pets.
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Frequently Asked Questions
What Are The Best Replacement Parts For Aquarium Heaters?
The best parts include hygger 802 titanium tubes and HITOP adjustable heaters. Choose based on wattage and tank size. Quality parts ensure consistent heating and durability for freshwater or saltwater tanks.
How Do I Choose The Right Wattage For My Aquarium Heater?
Match wattage to tank size: 25W for small tanks (1-6 gallons), 300W+ for larger tanks. Higher wattage heats faster but may risk overheating. Adjustable heaters like HITOP offer flexible settings.
Can I Replace Only The Heating Element In My Aquarium Heater?
Yes, models like hygger 802 offer heater tube replacements without the controller. This saves cost and maintains heater performance. Always confirm compatibility with your heater model before purchasing.
Are Submersible Heaters Better For Small Fish Tanks?
Yes, submersible heaters like Orlushy 25W and PULACO 25W fit small tanks under 6 gallons. They provide uniform heating and are easy to install with suction cups.
How Do External Aquarium Heaters Differ From Submersible Ones?
External heaters like DaToo 300W connect inline with filters, saving tank space. Submersible heaters go inside the tank. External heaters suit larger setups or tanks with limited interior space.
What Safety Features Should I Look For In Aquarium Heaters?
Look for over-temperature protection and automatic shutoff when out of water, like HiTauing models. These features prevent overheating and ensure fish safety. Digital thermostats improve temperature accuracy.
Conclusion
Choosing the right aquarium heater replacement parts is crucial for your fish tank’s health. Various options are available online, from the reliable hygger 802 to the versatile HiTauing models. These heaters ensure your aquatic friends live in a stable environment.
Different wattages cater to tanks of all sizes, from small betta habitats to larger marine settings. Each model, like the HITOP and DaToo, offers unique features. Adjustable thermostats, digital displays, and safety functions keep your tank safe. Finding the right fit can prevent temperature fluctuations.
This keeps your fish stress-free and healthy. Online shopping provides convenience. With just a few clicks, you can compare features and prices. Remember to check for compatibility with your current setup. Investing in quality parts saves money and time in the long run.
Make an informed choice today to create a thriving aquatic environment. Your fish will thank you!